From f5d157fb5100a6cc0944cf56b11fa53ef1757d30 Mon Sep 17 00:00:00 2001
From: Poul-Henning Kamp <phk@FreeBSD.org>
Date: Sat, 27 Apr 2002 07:28:54 +0000
Subject: [PATCH] Explain magic number.
Add magic date no explanation.
Add a delta which was lost in transit yesterday which prevented
other timecounters from actually being used.
---
sys/kern/kern_tc.c | 17 +++++++++++++++--
1 file changed, 15 insertions(+), 2 deletions(-)
diff --git a/sys/kern/kern_tc.c b/sys/kern/kern_tc.c
index 969393c27040..b019695fcb18 100644
--- a/sys/kern/kern_tc.c
+++ b/sys/kern/kern_tc.c
@@ -66,8 +66,17 @@ static struct timehands th4 = { NULL, 0, 0, 0, {0, 0}, {0, 0}, {0, 0}, 1, &th5};
static struct timehands th3 = { NULL, 0, 0, 0, {0, 0}, {0, 0}, {0, 0}, 1, &th4};
static struct timehands th2 = { NULL, 0, 0, 0, {0, 0}, {0, 0}, {0, 0}, 1, &th3};
static struct timehands th1 = { NULL, 0, 0, 0, {0, 0}, {0, 0}, {0, 0}, 1, &th2};
-static struct timehands th0 =
- { &dummy_timecounter, 0, 18446744073709ULL, 0, {1, 0}, {0, 0}, {0, 0}, 1, &th1};
+static struct timehands th0 = {
+ &dummy_timecounter,
+ 0,
+ 18446744073709ULL, /* 2^64/1000000 */
+ 0,
+ {769769981, 0}, /* Tue May 24 08:59:41 GMT 1994 */
+ {0, 0},
+ {0, 0},
+ 1,
+ &th1
+};
static struct timehands *volatile timehands = &th0;
struct timecounter *timecounter = &dummy_timecounter;
@@ -340,6 +349,10 @@ tc_windup(void)
tco->tc_counter->tc_poll_pps(tco->tc_counter);
for (i = tc->tc_offset.sec - tco->tc_offset.sec; i > 0; i--)
ntp_update_second(&tc->tc_adjustment, &tc->tc_offset.sec);
+ if (tc->tc_counter != timecounter) {
+ tc->tc_counter = timecounter;
+ tc->tc_offset_count = ncount;
+ }
tc_setscales(tc);
bt = tc->tc_offset;